ICCAS OpenIR
The role of chain length and structure in surfactant adsorption at Na-kaolinite
Wang, JB; Han, BX; Dai, M; Yan, HK; Li, ZX; Thomas, RK
1998
Source PublicationADSORPTION SCIENCE & TECHNOLOGY
ISSN0263-6174
Volume16Issue:7Pages:565-575
AbstractThe adsorption of a series of cationic surfactants with different chain lengths and structures on a non-swelling clay surface (sodium kaolinite) has been studied by microelectrophoresis and adsorption isotherms, It was found that an increase in the number of CH, groups in the shorter alkyl chain of the double-chain surfactant has much less effect on the adsorption behaviour than changing the length of the alkyl chain in the single-chain surfactants. It is inferred that the effective hydrophobicity of the shorter chains in these double-chain surfactants is reduced by their intramolecular association with the longer chain. A comparison of adsorption and micellization leads to an empirical, quantitative description of the effects of alkyl chain length and structure on adsorption. The adsorption mechanism of cationic surfactants on to Na-kaolinite was discussed.
Indexed BySCI
Language英语
WOS IDWOS:000078833900006
PublisherMULTI SCIENCE PUBL CO LTD
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/74658
Collection中国科学院化学研究所
Affiliation1.Chinese Acad Sci, Inst Chem, Grp 3, Beijing 100080, Peoples R China
2.Univ Oxford, Phys & Theoret Chem Lab, Oxford OX1 3QZ, England
Recommended Citation
GB/T 7714
Wang, JB,Han, BX,Dai, M,et al. The role of chain length and structure in surfactant adsorption at Na-kaolinite[J]. ADSORPTION SCIENCE & TECHNOLOGY,1998,16(7):565-575.
APA Wang, JB,Han, BX,Dai, M,Yan, HK,Li, ZX,&Thomas, RK.(1998).The role of chain length and structure in surfactant adsorption at Na-kaolinite.ADSORPTION SCIENCE & TECHNOLOGY,16(7),565-575.
MLA Wang, JB,et al."The role of chain length and structure in surfactant adsorption at Na-kaolinite".ADSORPTION SCIENCE & TECHNOLOGY 16.7(1998):565-575.
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